Home / 1,657,211.80-2,485,817.70-947,311.60

Finding the Fourth Proportional to 1,657,211.80, 2,485,817.70 and 947,311.60

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Solution

The fourth proportional to 1,657,211.80, 2,485,817.70 and 947,311.60 is: 1,420,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,211.80 : 2,485,817.70 = 947,311.60 : x
  2. Step 2: Convert to fraction form
    1,657,211.80/2,485,817.70 = 947,311.60/x
  3. Step 3: Cross multiply
    1,657,211.80x = 2,485,817.70 × 947,311.60
  4. Step 4: Simplify right side
    1,657,211.80x = 2,354,843,942,695.32
  5. Step 5: Solve for x
    x = 2,354,843,942,695.32/1,657,211.80
  6. Step 6: Final answer
    x = 1,420,967.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.